Mil-p-5431, form s mil spec 1st material response
顏色:Black
Mil-p-5431, form s mil spec 1st material response
顏色:Black or gray
Grade t-602, richardson camera co inc mfr ref 1st material response and mil-p-5431 mil spec 2nd material response and mil-p-5431 mil spec 3rd material response
顏色:Black